mingw-w64-crt/crt/crtexe.c - mingw-w64 - Git at Google

 /**
  * This file has no copyright assigned and is placed in the Public Domain.
  * This file is part of the mingw-w64 runtime package.
  * No warranty is given; refer to the file DISCLAIMER.PD within this package.
  */

 #undef CRTDLL
 #ifndef _DLL
 #define _DLL
 #endif

 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif

 #define SPECIAL_CRTEXE

 #include <oscalls.h>
 #include <internal.h>
 #include <process.h>
 #include <signal.h>
 #include <math.h>
 #include <stdlib.h>
 #include <tchar.h>
 #include <sect_attribs.h>
 #include <locale.h>

 #if defined(__SEH__) && (!defined(__clang__) || __clang_major__ >= 7)
 #define SEH_INLINE_ASM
 #endif

 #ifndef __winitenv
 extern wchar_t *** __MINGW_IMP_SYMBOL(__winitenv);
 #define __winitenv (* __MINGW_IMP_SYMBOL(__winitenv))
 #endif

 #if !defined(__initenv)
 extern char *** __MINGW_IMP_SYMBOL(__initenv);
 #define __initenv (* __MINGW_IMP_SYMBOL(__initenv))
 #endif

 /* Hack, for bug in ld.  Will be removed soon.  */
 #if defined(__GNUC__)
 #define __ImageBase __MINGW_LSYMBOL(_image_base__)
 #endif
 /* This symbol is defined by ld.  */
 extern IMAGE_DOS_HEADER __ImageBase;

 extern void _fpreset (void);
 #define SPACECHAR _T(' ')
 #define DQUOTECHAR _T('\"')

 int *__cdecl __p__commode(void);

 #undef _fmode
 extern int _fmode;
 extern int _commode;
 extern int _dowildcard;

 extern _CRTIMP void __cdecl _initterm(_PVFV *, _PVFV *);

 static int __cdecl check_managed_app (void);

 extern _CRTALLOC(".CRT$XIA") _PIFV __xi_a[];
 extern _CRTALLOC(".CRT$XIZ") _PIFV __xi_z[];
 extern _CRTALLOC(".CRT$XCA") _PVFV __xc_a[];
 extern _CRTALLOC(".CRT$XCZ") _PVFV __xc_z[];

 #ifndef HAVE_CTOR_LIST
 __attribute__ (( __section__ (".ctors"), __used__ , aligned(sizeof(void *)))) const void * __CTOR_LIST__ = (void *) -1;
 __attribute__ (( __section__ (".dtors"), __used__ , aligned(sizeof(void *)))) const void * __DTOR_LIST__ = (void *) -1;
 __attribute__ (( __section__ (".ctors.99999"), __used__ , aligned(sizeof(void *)))) const void * __CTOR_END__ = (void *) 0;
 __attribute__ (( __section__ (".dtors.99999"), __used__ , aligned(sizeof(void *)))) const void * __DTOR_END__ = (void *) 0;
 #endif

 /* TLS initialization hook.  */
 extern const PIMAGE_TLS_CALLBACK __dyn_tls_init_callback;

 extern int mingw_app_type;

 HINSTANCE __mingw_winmain_hInstance;
 _TCHAR *__mingw_winmain_lpCmdLine;
 DWORD __mingw_winmain_nShowCmd = SW_SHOWDEFAULT;

 static int argc;
 extern void __main(void);
 #ifdef WPRFLAG
 static wchar_t **argv;
 static wchar_t **envp;
 #else
 static char **argv;
 static char **envp;
 #endif

 static int argret;
 static int mainret=0;
 static int managedapp;
 static int has_cctor = 0;
 static _startupinfo startinfo;
 extern LPTOP_LEVEL_EXCEPTION_FILTER __mingw_oldexcpt_handler;

 extern void _pei386_runtime_relocator (void);
 long CALLBACK _gnu_exception_handler (EXCEPTION_POINTERS * exception_data);
 #ifdef WPRFLAG
 static void duplicate_ppstrings (int ac, wchar_t ***av);
 #else
 static void duplicate_ppstrings (int ac, char ***av);
 #endif

 static int __cdecl pre_c_init (void);
 static void __cdecl pre_cpp_init (void);
 _CRTALLOC(".CRT$XIAA") _PIFV mingw_pcinit = pre_c_init;
 _CRTALLOC(".CRT$XCAA") _PVFV mingw_pcppinit = pre_cpp_init;

 extern int _MINGW_INSTALL_DEBUG_MATHERR;

 #ifdef __MINGW_SHOW_INVALID_PARAMETER_EXCEPTION
 #define __UNUSED_PARAM_1(x) x
 #else
 #define __UNUSED_PARAM_1	__UNUSED_PARAM
 #endif
 static void
 __mingw_invalidParameterHandler (const wchar_t * __UNUSED_PARAM_1(expression),
 				 const wchar_t * __UNUSED_PARAM_1(function),
 				 const wchar_t * __UNUSED_PARAM_1(file),
 				 unsigned int    __UNUSED_PARAM_1(line),
 				 uintptr_t __UNUSED_PARAM(pReserved))
 {
 #ifdef __MINGW_SHOW_INVALID_PARAMETER_EXCEPTION
   wprintf(L"Invalid parameter detected in function %s. File: %s Line: %d\n", function, file, line);
   wprintf(L"Expression: %s\n", expression);
 #endif
 }

 static int __cdecl
 pre_c_init (void)
 {
   managedapp = check_managed_app ();
   if (mingw_app_type)
     __set_app_type(_GUI_APP);
   else
     __set_app_type (_CONSOLE_APP);

   * __p__fmode() = _fmode;
   * __p__commode() = _commode;

 #ifdef WPRFLAG
   _wsetargv();
 #else
   _setargv();
 #endif
   if (_MINGW_INSTALL_DEBUG_MATHERR == 1)
     {
       __setusermatherr (_matherr);
     }

   if (__globallocalestatus == -1)
     {
     }
   return 0;
 }

 static void __cdecl
 pre_cpp_init (void)
 {
   startinfo.newmode = _newmode;

 #ifdef WPRFLAG
   argret = __wgetmainargs(&argc,&argv,&envp,_dowildcard,&startinfo);
 #else
   argret = __getmainargs(&argc,&argv,&envp,_dowildcard,&startinfo);
 #endif
 }

 static int __tmainCRTStartup (void);

 int WinMainCRTStartup (void);

 int WinMainCRTStartup (void)
 {
   int ret = 255;
 #ifdef SEH_INLINE_ASM
   asm ("\t.l_startw:\n");
 #endif
   mingw_app_type = 1;
   ret = __tmainCRTStartup ();
 #ifdef SEH_INLINE_ASM
   asm ("\tnop\n"
     "\t.l_endw: nop\n"
     "\t.seh_handler __C_specific_handler, @except\n"
     "\t.seh_handlerdata\n"
     "\t.long 1\n"
     "\t.rva .l_startw, .l_endw, _gnu_exception_handler ,.l_endw\n"
     "\t.text");
 #endif
   return ret;
 }

 int mainCRTStartup (void);

 #if defined(__x86_64__) && !defined(__SEH__)
 int __mingw_init_ehandler (void);
 #endif

 int mainCRTStartup (void)
 {
   int ret = 255;
 #ifdef SEH_INLINE_ASM
   asm ("\t.l_start:\n");
 #endif
   mingw_app_type = 0;
   ret = __tmainCRTStartup ();
 #ifdef SEH_INLINE_ASM
   asm ("\tnop\n"
     "\t.l_end: nop\n"
     "\t.seh_handler __C_specific_handler, @except\n"
     "\t.seh_handlerdata\n"
     "\t.long 1\n"
     "\t.rva .l_start, .l_end, _gnu_exception_handler ,.l_end\n"
     "\t.text");
 #endif
   return ret;
 }

 static
 #if defined(__i386__) || defined(_X86_)
 /* We need to make sure that we align the stack to 16 bytes for the sake of SSE
    opts in main or in functions called main.  */
 __attribute__((force_align_arg_pointer))
 #endif
 __declspec(noinline) int
 __tmainCRTStartup (void)
 {
   _TCHAR *lpszCommandLine = NULL;
   STARTUPINFO StartupInfo;
   WINBOOL inDoubleQuote = FALSE;
   memset (&StartupInfo, 0, sizeof (STARTUPINFO));

   if (mingw_app_type)
     GetStartupInfo (&StartupInfo);
   {
     void *lock_free = NULL;
     void *fiberid = ((PNT_TIB)NtCurrentTeb())->StackBase;
     int nested = FALSE;
     while((lock_free = InterlockedCompareExchangePointer ((volatile PVOID *) &__native_startup_lock,
 							  fiberid, 0)) != 0)
       {
 	if (lock_free == fiberid)
 	  {
 	    nested = TRUE;
 	    break;
 	  }
 	Sleep(1000);
       }
     if (__native_startup_state == __initializing)
       {
 	_amsg_exit (31);
       }
     else if (__native_startup_state == __uninitialized)
       {
 	__native_startup_state = __initializing;
 	_initterm ((_PVFV *)(void *)__xi_a, (_PVFV *)(void *) __xi_z);
       }
     else
       has_cctor = 1;

     if (__native_startup_state == __initializing)
       {
 	_initterm (__xc_a, __xc_z);
 	__native_startup_state = __initialized;
       }
     _ASSERTE(__native_startup_state == __initialized);
     if (! nested)
       (VOID)InterlockedExchangePointer ((volatile PVOID *) &__native_startup_lock, 0);

     if (__dyn_tls_init_callback != NULL)
       __dyn_tls_init_callback (NULL, DLL_THREAD_ATTACH, NULL);

     _pei386_runtime_relocator ();
     __mingw_oldexcpt_handler = SetUnhandledExceptionFilter (_gnu_exception_handler);
 #if defined(__x86_64__) && !defined(__SEH__)
     __mingw_init_ehandler ();
 #endif
     _set_invalid_parameter_handler (__mingw_invalidParameterHandler);

     _fpreset ();

     __mingw_winmain_hInstance = (HINSTANCE) &__ImageBase;

 #ifdef WPRFLAG
     lpszCommandLine = (_TCHAR *) _wcmdln;
 #else
     lpszCommandLine = (char *) _acmdln;
 #endif

     if (lpszCommandLine)
       {
 	while (*lpszCommandLine > SPACECHAR || (*lpszCommandLine && inDoubleQuote))
 	  {
 	    if (*lpszCommandLine == DQUOTECHAR)
 	      inDoubleQuote = !inDoubleQuote;
 #ifdef _MBCS
 	    if (_ismbblead (*lpszCommandLine))
 	      {
 		if (lpszCommandLine[1])
 		  ++lpszCommandLine;
 	      }
 #endif
 	    ++lpszCommandLine;
 	  }
 	while (*lpszCommandLine && (*lpszCommandLine <= SPACECHAR))
 	  lpszCommandLine++;

 	__mingw_winmain_lpCmdLine = lpszCommandLine;
       }

     if (mingw_app_type)
       {
 	__mingw_winmain_nShowCmd = StartupInfo.dwFlags & STARTF_USESHOWWINDOW ?
 				    StartupInfo.wShowWindow : SW_SHOWDEFAULT;
       }
     duplicate_ppstrings (argc, &argv);
     __main ();
 #ifdef WPRFLAG
     __winitenv = envp;
     /* C++ initialization.
        gcc inserts this call automatically for a function called main, but not for wmain.  */
     mainret = wmain (argc, argv, envp);
 #else
     __initenv = envp;
     mainret = main (argc, argv, envp);
 #endif
     if (!managedapp)
       exit (mainret);

     if (has_cctor == 0)
       _cexit ();
   }
   return mainret;
 }

 extern int mingw_initltsdrot_force;
 extern int mingw_initltsdyn_force;
 extern int mingw_initltssuo_force;
 extern int mingw_initcharmax;

 static int __cdecl
 check_managed_app (void)
 {
   PIMAGE_DOS_HEADER pDOSHeader;
   PIMAGE_NT_HEADERS pPEHeader;
   PIMAGE_OPTIONAL_HEADER32 pNTHeader32;
   PIMAGE_OPTIONAL_HEADER64 pNTHeader64;

   /* Force to be linked.  */
   mingw_initltsdrot_force=1;
   mingw_initltsdyn_force=1;
   mingw_initltssuo_force=1;
   mingw_initcharmax=1;

   pDOSHeader = (PIMAGE_DOS_HEADER) &__ImageBase;
   if (pDOSHeader->e_magic != IMAGE_DOS_SIGNATURE)
     return 0;

   pPEHeader = (PIMAGE_NT_HEADERS)((char *)pDOSHeader + pDOSHeader->e_lfanew);
   if (pPEHeader->Signature != IMAGE_NT_SIGNATURE)
     return 0;

   pNTHeader32 = (PIMAGE_OPTIONAL_HEADER32) &pPEHeader->OptionalHeader;
   switch (pNTHeader32->Magic)
     {
     case IMAGE_NT_OPTIONAL_HDR32_MAGIC:
       if (pNTHeader32->NumberOfRvaAndSizes <= IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR)
 	return 0;
       return !! pNTHeader32->DataDirectory[IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR].VirtualAddress;
     case IMAGE_NT_OPTIONAL_HDR64_MAGIC:
       pNTHeader64 = (PIMAGE_OPTIONAL_HEADER64)pNTHeader32;
       if (pNTHeader64->NumberOfRvaAndSizes <= IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR)
 	return 0;
       return !! pNTHeader64->DataDirectory[IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR].VirtualAddress;
     }
   return 0;
 }

 #ifdef WPRFLAG
 static size_t wbytelen(const wchar_t *p)
 {
 	size_t ret = 1;
 	while (*p!=0) {
 		ret++,++p;
 	}
 	return ret*2;
 }
 static void duplicate_ppstrings (int ac, wchar_t ***av)
 {
 	wchar_t **avl;
 	int i;
 	wchar_t **n = (wchar_t **) malloc (sizeof (wchar_t *) * (ac + 1));

 	avl=*av;
 	for (i=0; i < ac; i++)
 	  {
 		size_t l = wbytelen (avl[i]);
 		n[i] = (wchar_t *) malloc (l);
 		memcpy (n[i], avl[i], l);
 	  }
 	n[i] = NULL;
 	*av = n;
 }
 #else
 static void duplicate_ppstrings (int ac, char ***av)
 {
 	char **avl;
 	int i;
 	char **n = (char **) malloc (sizeof (char *) * (ac + 1));

 	avl=*av;
 	for (i=0; i < ac; i++)
 	  {
 		size_t l = strlen (avl[i]) + 1;
 		n[i] = (char *) malloc (l);
 		memcpy (n[i], avl[i], l);
 	  }
 	n[i] = NULL;
 	*av = n;
 }
 #endif

 int __cdecl atexit (_PVFV func)
 {
     return _onexit((_onexit_t)func) ? 0 : -1;
 }

 char __mingw_module_is_dll = 0;
	/**
	* This file has no copyright assigned and is placed in the Public Domain.
	* This file is part of the mingw-w64 runtime package.
	* No warranty is given; refer to the file DISCLAIMER.PD within this package.
	*/

	#undef CRTDLL
	#ifndef _DLL
	#define _DLL
	#endif

	#ifdef HAVE_CONFIG_H
	#include "config.h"
	#endif

	#define SPECIAL_CRTEXE

	#include <oscalls.h>
	#include <internal.h>
	#include <process.h>
	#include <signal.h>
	#include <math.h>
	#include <stdlib.h>
	#include <tchar.h>
	#include <sect_attribs.h>
	#include <locale.h>

	#if defined(__SEH__) && (!defined(__clang__) \|\| __clang_major__ >= 7)
	#define SEH_INLINE_ASM
	#endif

	#ifndef __winitenv
	extern wchar_t *** __MINGW_IMP_SYMBOL(__winitenv);
	#define __winitenv (* __MINGW_IMP_SYMBOL(__winitenv))
	#endif

	#if !defined(__initenv)
	extern char *** __MINGW_IMP_SYMBOL(__initenv);
	#define __initenv (* __MINGW_IMP_SYMBOL(__initenv))
	#endif

	/* Hack, for bug in ld. Will be removed soon. */
	#if defined(__GNUC__)
	#define __ImageBase __MINGW_LSYMBOL(_image_base__)
	#endif
	/* This symbol is defined by ld. */
	extern IMAGE_DOS_HEADER __ImageBase;

	extern void _fpreset (void);
	#define SPACECHAR _T(' ')
	#define DQUOTECHAR _T('\"')

	int *__cdecl __p__commode(void);

	#undef _fmode
	extern int _fmode;
	extern int _commode;
	extern int _dowildcard;

	extern _CRTIMP void __cdecl _initterm(_PVFV , _PVFV );

	static int __cdecl check_managed_app (void);

	extern _CRTALLOC(".CRT$XIA") _PIFV __xi_a[];
	extern _CRTALLOC(".CRT$XIZ") _PIFV __xi_z[];
	extern _CRTALLOC(".CRT$XCA") _PVFV __xc_a[];
	extern _CRTALLOC(".CRT$XCZ") _PVFV __xc_z[];

	#ifndef HAVE_CTOR_LIST
	__attribute__ (( __section__ (".ctors"), __used__ , aligned(sizeof(void )))) const void __CTOR_LIST__ = (void *) -1;
	__attribute__ (( __section__ (".dtors"), __used__ , aligned(sizeof(void )))) const void __DTOR_LIST__ = (void *) -1;
	__attribute__ (( __section__ (".ctors.99999"), __used__ , aligned(sizeof(void )))) const void __CTOR_END__ = (void *) 0;
	__attribute__ (( __section__ (".dtors.99999"), __used__ , aligned(sizeof(void )))) const void __DTOR_END__ = (void *) 0;
	#endif

	/* TLS initialization hook. */
	extern const PIMAGE_TLS_CALLBACK __dyn_tls_init_callback;

	extern int mingw_app_type;

	HINSTANCE __mingw_winmain_hInstance;
	_TCHAR *__mingw_winmain_lpCmdLine;
	DWORD __mingw_winmain_nShowCmd = SW_SHOWDEFAULT;

	static int argc;
	extern void __main(void);
	#ifdef WPRFLAG
	static wchar_t **argv;
	static wchar_t **envp;
	#else
	static char **argv;
	static char **envp;
	#endif

	static int argret;
	static int mainret=0;
	static int managedapp;
	static int has_cctor = 0;
	static _startupinfo startinfo;
	extern LPTOP_LEVEL_EXCEPTION_FILTER __mingw_oldexcpt_handler;

	extern void _pei386_runtime_relocator (void);
	long CALLBACK _gnu_exception_handler (EXCEPTION_POINTERS * exception_data);
	#ifdef WPRFLAG
	static void duplicate_ppstrings (int ac, wchar_t ***av);
	#else
	static void duplicate_ppstrings (int ac, char ***av);
	#endif

	static int __cdecl pre_c_init (void);
	static void __cdecl pre_cpp_init (void);
	_CRTALLOC(".CRT$XIAA") _PIFV mingw_pcinit = pre_c_init;
	_CRTALLOC(".CRT$XCAA") _PVFV mingw_pcppinit = pre_cpp_init;

	extern int _MINGW_INSTALL_DEBUG_MATHERR;

	#ifdef __MINGW_SHOW_INVALID_PARAMETER_EXCEPTION
	#define __UNUSED_PARAM_1(x) x
	#else
	#define __UNUSED_PARAM_1 __UNUSED_PARAM
	#endif
	static void
	__mingw_invalidParameterHandler (const wchar_t * __UNUSED_PARAM_1(expression),
	const wchar_t * __UNUSED_PARAM_1(function),
	const wchar_t * __UNUSED_PARAM_1(file),
	unsigned int __UNUSED_PARAM_1(line),
	uintptr_t __UNUSED_PARAM(pReserved))
	{
	#ifdef __MINGW_SHOW_INVALID_PARAMETER_EXCEPTION
	wprintf(L"Invalid parameter detected in function %s. File: %s Line: %d\n", function, file, line);
	wprintf(L"Expression: %s\n", expression);
	#endif
	}

	static int __cdecl
	pre_c_init (void)
	{
	managedapp = check_managed_app ();
	if (mingw_app_type)
	__set_app_type(_GUI_APP);
	else
	__set_app_type (_CONSOLE_APP);

	* __p__fmode() = _fmode;
	* __p__commode() = _commode;

	#ifdef WPRFLAG
	_wsetargv();
	#else
	_setargv();
	#endif
	if (_MINGW_INSTALL_DEBUG_MATHERR == 1)
	{
	__setusermatherr (_matherr);
	}

	if (__globallocalestatus == -1)
	{
	}
	return 0;
	}

	static void __cdecl
	pre_cpp_init (void)
	{
	startinfo.newmode = _newmode;

	#ifdef WPRFLAG
	argret = __wgetmainargs(&argc,&argv,&envp,_dowildcard,&startinfo);
	#else
	argret = __getmainargs(&argc,&argv,&envp,_dowildcard,&startinfo);
	#endif
	}

	static int __tmainCRTStartup (void);

	int WinMainCRTStartup (void);

	int WinMainCRTStartup (void)
	{
	int ret = 255;
	#ifdef SEH_INLINE_ASM
	asm ("\t.l_startw:\n");
	#endif
	mingw_app_type = 1;
	ret = __tmainCRTStartup ();
	#ifdef SEH_INLINE_ASM
	asm ("\tnop\n"
	"\t.l_endw: nop\n"
	"\t.seh_handler __C_specific_handler, @except\n"
	"\t.seh_handlerdata\n"
	"\t.long 1\n"
	"\t.rva .l_startw, .l_endw, _gnu_exception_handler ,.l_endw\n"
	"\t.text");
	#endif
	return ret;
	}

	int mainCRTStartup (void);

	#if defined(__x86_64__) && !defined(__SEH__)
	int __mingw_init_ehandler (void);
	#endif

	int mainCRTStartup (void)
	{
	int ret = 255;
	#ifdef SEH_INLINE_ASM
	asm ("\t.l_start:\n");
	#endif
	mingw_app_type = 0;
	ret = __tmainCRTStartup ();
	#ifdef SEH_INLINE_ASM
	asm ("\tnop\n"
	"\t.l_end: nop\n"
	"\t.seh_handler __C_specific_handler, @except\n"
	"\t.seh_handlerdata\n"
	"\t.long 1\n"
	"\t.rva .l_start, .l_end, _gnu_exception_handler ,.l_end\n"
	"\t.text");
	#endif
	return ret;
	}

	static
	#if defined(__i386__) \|\| defined(_X86_)
	/* We need to make sure that we align the stack to 16 bytes for the sake of SSE
	opts in main or in functions called main. */
	__attribute__((force_align_arg_pointer))
	#endif
	__declspec(noinline) int
	__tmainCRTStartup (void)
	{
	_TCHAR *lpszCommandLine = NULL;
	STARTUPINFO StartupInfo;
	WINBOOL inDoubleQuote = FALSE;
	memset (&StartupInfo, 0, sizeof (STARTUPINFO));

	if (mingw_app_type)
	GetStartupInfo (&StartupInfo);
	{
	void *lock_free = NULL;
	void *fiberid = ((PNT_TIB)NtCurrentTeb())->StackBase;
	int nested = FALSE;
	while((lock_free = InterlockedCompareExchangePointer ((volatile PVOID *) &__native_startup_lock,
	fiberid, 0)) != 0)
	{
	if (lock_free == fiberid)
	{
	nested = TRUE;
	break;
	}
	Sleep(1000);
	}
	if (__native_startup_state == __initializing)
	{
	_amsg_exit (31);
	}
	else if (__native_startup_state == __uninitialized)
	{
	__native_startup_state = __initializing;
	_initterm ((_PVFV )(void )__xi_a, (_PVFV )(void ) __xi_z);
	}
	else
	has_cctor = 1;

	if (__native_startup_state == __initializing)
	{
	_initterm (__xc_a, __xc_z);
	__native_startup_state = __initialized;
	}
	_ASSERTE(__native_startup_state == __initialized);
	if (! nested)
	(VOID)InterlockedExchangePointer ((volatile PVOID *) &__native_startup_lock, 0);

	if (__dyn_tls_init_callback != NULL)
	__dyn_tls_init_callback (NULL, DLL_THREAD_ATTACH, NULL);

	_pei386_runtime_relocator ();
	__mingw_oldexcpt_handler = SetUnhandledExceptionFilter (_gnu_exception_handler);
	#if defined(__x86_64__) && !defined(__SEH__)
	__mingw_init_ehandler ();
	#endif
	_set_invalid_parameter_handler (__mingw_invalidParameterHandler);

	_fpreset ();

	__mingw_winmain_hInstance = (HINSTANCE) &__ImageBase;

	#ifdef WPRFLAG
	lpszCommandLine = (_TCHAR *) _wcmdln;
	#else
	lpszCommandLine = (char *) _acmdln;
	#endif

	if (lpszCommandLine)
	{
	while (lpszCommandLine > SPACECHAR \|\| (lpszCommandLine && inDoubleQuote))
	{
	if (*lpszCommandLine == DQUOTECHAR)
	inDoubleQuote = !inDoubleQuote;
	#ifdef _MBCS
	if (_ismbblead (*lpszCommandLine))
	{
	if (lpszCommandLine[1])
	++lpszCommandLine;
	}
	#endif
	++lpszCommandLine;
	}
	while (lpszCommandLine && (lpszCommandLine <= SPACECHAR))
	lpszCommandLine++;

	__mingw_winmain_lpCmdLine = lpszCommandLine;
	}

	if (mingw_app_type)
	{
	__mingw_winmain_nShowCmd = StartupInfo.dwFlags & STARTF_USESHOWWINDOW ?
	StartupInfo.wShowWindow : SW_SHOWDEFAULT;
	}
	duplicate_ppstrings (argc, &argv);
	__main ();
	#ifdef WPRFLAG
	__winitenv = envp;
	/* C++ initialization.
	gcc inserts this call automatically for a function called main, but not for wmain. */
	mainret = wmain (argc, argv, envp);
	#else
	__initenv = envp;
	mainret = main (argc, argv, envp);
	#endif
	if (!managedapp)
	exit (mainret);

	if (has_cctor == 0)
	_cexit ();
	}
	return mainret;
	}

	extern int mingw_initltsdrot_force;
	extern int mingw_initltsdyn_force;
	extern int mingw_initltssuo_force;
	extern int mingw_initcharmax;

	static int __cdecl
	check_managed_app (void)
	{
	PIMAGE_DOS_HEADER pDOSHeader;
	PIMAGE_NT_HEADERS pPEHeader;
	PIMAGE_OPTIONAL_HEADER32 pNTHeader32;
	PIMAGE_OPTIONAL_HEADER64 pNTHeader64;

	/* Force to be linked. */
	mingw_initltsdrot_force=1;
	mingw_initltsdyn_force=1;
	mingw_initltssuo_force=1;
	mingw_initcharmax=1;

	pDOSHeader = (PIMAGE_DOS_HEADER) &__ImageBase;
	if (pDOSHeader->e_magic != IMAGE_DOS_SIGNATURE)
	return 0;

	pPEHeader = (PIMAGE_NT_HEADERS)((char *)pDOSHeader + pDOSHeader->e_lfanew);
	if (pPEHeader->Signature != IMAGE_NT_SIGNATURE)
	return 0;

	pNTHeader32 = (PIMAGE_OPTIONAL_HEADER32) &pPEHeader->OptionalHeader;
	switch (pNTHeader32->Magic)
	{
	case IMAGE_NT_OPTIONAL_HDR32_MAGIC:
	if (pNTHeader32->NumberOfRvaAndSizes <= IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR)
	return 0;
	return !! pNTHeader32->DataDirectory[IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR].VirtualAddress;
	case IMAGE_NT_OPTIONAL_HDR64_MAGIC:
	pNTHeader64 = (PIMAGE_OPTIONAL_HEADER64)pNTHeader32;
	if (pNTHeader64->NumberOfRvaAndSizes <= IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR)
	return 0;
	return !! pNTHeader64->DataDirectory[IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR].VirtualAddress;
	}
	return 0;
	}

	#ifdef WPRFLAG
	static size_t wbytelen(const wchar_t *p)
	{
	size_t ret = 1;
	while (*p!=0) {
	ret++,++p;
	}
	return ret*2;
	}
	static void duplicate_ppstrings (int ac, wchar_t ***av)
	{
	wchar_t **avl;
	int i;
	wchar_t n = (wchar_t ) malloc (sizeof (wchar_t ) (ac + 1));

	avl=*av;
	for (i=0; i < ac; i++)
	{
	size_t l = wbytelen (avl[i]);
	n[i] = (wchar_t *) malloc (l);
	memcpy (n[i], avl[i], l);
	}
	n[i] = NULL;
	*av = n;
	}
	#else
	static void duplicate_ppstrings (int ac, char ***av)
	{
	char **avl;
	int i;
	char n = (char ) malloc (sizeof (char ) (ac + 1));

	avl=*av;
	for (i=0; i < ac; i++)
	{
	size_t l = strlen (avl[i]) + 1;
	n[i] = (char *) malloc (l);
	memcpy (n[i], avl[i], l);
	}
	n[i] = NULL;
	*av = n;
	}
	#endif

	int __cdecl atexit (_PVFV func)
	{
	return _onexit((_onexit_t)func) ? 0 : -1;
	}

	char __mingw_module_is_dll = 0;